From 11b52ab6d7aef83f624dccc81e0b479c5155fe31 Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Sun, 12 Mar 2017 23:01:23 -0700
Subject: Create ld.so.conf

Also a fix for CT_IterateMultilibs: it didn't pass multi_os_dir_gcc, so
it only worked if the caller did *not* declare it as a local variable.

Signed-off-by: Alexey Neyman <stilor@att.net>

diff --git a/scripts/build/cc/100-gcc.sh b/scripts/build/cc/100-gcc.sh
index 6cdcb31..9802521 100644
--- a/scripts/build/cc/100-gcc.sh
+++ b/scripts/build/cc/100-gcc.sh
@@ -789,7 +789,7 @@ do_gcc_for_build() {
 }
 
 gcc_movelibs() {
-    local multi_flags multi_dir multi_os_dir multi_root multi_index multi_count
+    local multi_flags multi_dir multi_os_dir multi_os_dir_gcc multi_root multi_index multi_count
     local gcc_dir dst_dir
 
     for arg in "$@"; do
diff --git a/scripts/build/internals.sh b/scripts/build/internals.sh
index 7d91d78..a1c9b55 100644
--- a/scripts/build/internals.sh
+++ b/scripts/build/internals.sh
@@ -1,5 +1,27 @@
 # This file contains crosstool-NG internal steps
 
+create_ldso_conf()
+{
+    local multi_dir multi_os_dir multi_os_dir_gcc multi_root multi_flags multi_index multi_count multi_target
+    local b d
+
+    for arg in "$@"; do
+        eval "${arg// /\\ }"
+    done
+
+    CT_DoExecLog ALL mkdir -p "${multi_root}/etc"
+    for b in /lib /usr/lib /usr/local/lib; do
+        d="${b}/${multi_os_dir}"
+        CT_SanitizeVarDir d
+        echo "${d}" >> "${multi_root}/etc/ld.so.conf"
+        if [ "${multi_os_dir}" != "${multi_os_dir_gcc}" ]; then
+            d="${b}/${multi_os_dir_gcc}"
+            CT_SanitizeVarDir d
+            echo "${d}" >> "${multi_root}/etc/ld.so.conf"
+        fi
+    done
+}
+
 # This step is called once all components were built, to remove
 # un-wanted files, to add tuple aliases, and to add the final
 # crosstool-NG-provided files.
@@ -10,7 +32,14 @@ do_finish() {
     local gcc_version
     local exe_suffix
 
-    CT_DoStep INFO "Cleaning-up the toolchain's directory"
+    CT_DoStep INFO "Finalizing the toolchain's directory"
+
+    if [ "${CT_SHARED_LIBS}" = "y" ]; then
+        # Create /etc/ld.so.conf
+        CT_mkdir_pushd "${CT_BUILD_DIR}/build-create-ldso"
+        CT_IterateMultilibs create_ldso_conf create-ldso
+        CT_Popd
+    fi
 
     if [ "${CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES}" = "y" ]; then
         case "$CT_HOST" in
diff --git a/scripts/functions b/scripts/functions
index 3ef7bf6..ab141d5 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -1750,13 +1750,14 @@ CT_IterateMultilibs() {
         dir_postfix=_${multi_dir//\//_}
         dir_postfix=${dir_postfix%_.}
         CT_mkdir_pushd "${prefix}${dir_postfix}"
-        $func multi_dir="${multi_dir}"       \
-              multi_os_dir="${multi_os_dir}" \
-              multi_flags="${multi_flags}"   \
-              multi_root="${multi_root}"     \
-              multi_target="${multi_target}" \
-              multi_index="${multi_index}"   \
-              multi_count="${#multilibs[@]}" \
+        $func multi_dir="${multi_dir}"               \
+              multi_os_dir="${multi_os_dir}"         \
+              multi_os_dir_gcc="${multi_os_dir_gcc}" \
+              multi_flags="${multi_flags}"           \
+              multi_root="${multi_root}"             \
+              multi_target="${multi_target}"         \
+              multi_index="${multi_index}"           \
+              multi_count="${#multilibs[@]}"         \
               "$@"
         CT_Popd
         multi_index=$((multi_index+1))
@@ -1819,7 +1820,7 @@ CT_SymlinkToolsMultilib()
 # Helper (iterator) for CT_MultilibFixupLDSO
 CT__FixupLDSO()
 {
-    local multi_dir multi_os_dir multi_root multi_flags multi_index multi_count
+    local multi_dir multi_os_dir multi_root multi_flags multi_index multi_count multi_target
     local binary
     local ldso ldso_l ldso_f ldso_d ldso_u multilib_dir
 
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